The chemical reactions and pathways involving a reactive oxygen species, any molecules or ions formed by the incomplete one-electron reduction of oxygen. They contribute to the microbicidal activity of phagocytes, regulation of signal transduction and gene expression, and the oxidative damage to biopolymers.

Number of paths to term:

2

denotes an 'is-a' relationshipdenotes a 'part-of' relationshipdenotes a 'regulates' relationshipdenotes a 'positively-regulates' relationshipdenotes a 'negatively-regulates' relationship